Device cover



FIG. 1 is a front perspective view of a device cover;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a right-side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front opened-state perspective view thereof; and,

FIG. 10 is a back opened-state perspective view thereof.

The dashed broken lines depict portions of the device cover that form no part of the claimed design. 

CLAIM The ornamental design for a device cover, as shown and described. 